<script type="text/javascript"></script>
<style type="text/css">
.mainDiv{
	margin:80px auto;height:auto;
	padding:20px;
	width:500px;
	background-color:#FFFDD;
	border:1px dashed #2F82A0;
	text-align:left;text-indent:2em;
}
.mainDiv p{
	font-size:14px;
	text-align:left;
}
</style>
<div id="test" style="display:none;"></div>

<div class="mainDiv">
	<p>欢迎登录本系统</p>
	<p>您可在左侧导航框内选择项目进行相应的操作</p>
	<p>感谢使用！</p>
</div>